Question: Who was Jules Massenet's spouse at the start of 1866?
Paraphrase: Who was Jules Massenet married to in 1866?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q194436 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1866')) }